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MEDIUM · 4.0

CVE-2013-3959

The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user...

Vulnerability Description

The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user account exists, which allows remote authenticated users to enumerate account names via crafted URL parameters.

CVSS Score

4.0

MEDIUM

AV:N/AC:L/Au:S/C:P/I:N/A:N
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
SiemensSimatic Pcs7<= 8.0
SiemensWincc<= 7.2

Related Weaknesses (CWE)

CWE-200

References

FAQ

What is CVE-2013-3959?

CVE-2013-3959 is a vulnerability with a CVSS score of 4.0 (MEDIUM). The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user...

How severe is CVE-2013-3959?

CVE-2013-3959 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-3959?

Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Pcs7, Siemens Wincc.